STK12C68 Simtek, STK12C68 Datasheet
STK12C68
Manufacturer Part Number
STK12C68
Description
8Kx8 AutoStore nvSRAM
Manufacturer
Simtek
Datasheet
1.STK12C68.pdf
(20 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
STK12C68-5C35M
Manufacturer:
STMTEK
Quantity:
45
Company:
Part Number:
STK12C68-5C40M
Manufacturer:
SIMTEK
Quantity:
10
Company:
Part Number:
STK12C68-5L45M
Manufacturer:
SIMTEK
Quantity:
40
Part Number:
STK12C68-S35
Manufacturer:
STK
Quantity:
20 000
Part Number:
STK12C68-S45
Manufacturer:
SIMTEK
Quantity:
20 000
Part Number:
STK12C68-SF45
Manufacturer:
CYPRESS
Quantity:
20 000
This product conforms to specifications per the
terms of Simtek standard warranty. The product
has completed Simtek internal qualification testing
and has reached production status.
www.DataSheet4U.com
FEATURES
• 25, 35, 45, 55 ns Read Access & Write Cycle Time
• Unlimited Read/Write Endurance
• Automatic Non-volatile STORE on Power Loss
• Non-Volatile STORE Under Hardware or Software
• Automatic RECALL to SRAM on Power Up
• Unlimited RECALL Cycles
• 1 Million STORE Cycles
• 100-Year Non-volatile Data Retention
• Single 5V ± 10% Power Supply
• Commercial, Industrial, Military Temperatures
• 28-pin 330-mil SOIC, 300-mil PDIP, and 600-mil
• 28-Pin CDIP and LCC Military Packages
Block Diagram
Control
PDIP Packages (RoHS-Compliant)
DQ
DQ
DQ
DQ
DQ
DQ
DQ
DQ
A
A
A
A
A
A
A
5
6
7
8
9
11
12
0
1
2
3
4
5
6
7
A
COLUMN DEC
0
COLUMN I/O
A
STATIC RAM
1
128 X 512
A
ARRAY
2
A
3
QUANTUM TRAP
A
4
A
128 x 512
10
1
STORE
RECALL
DESCRIPTION
The Simtek STK12C68 is a 64Kb fast static RAM
with a non-volatile Quantum Trap storage element
included with each memory cell.
The SRAM provides the fast access & cycle times,
ease of use and unlimited read & write endurance of
a normal SRAM.
Data transfers automatically to the non-volatile stor-
age cells when power loss is detected (the STORE
operation). On power up, data is automatically
restored to the SRAM (the RECALL operation). Both
STORE and RECALL operations are also available
under software control.
The Simtek nvSRAM is the first monolithic non-vola-
tile memory to offer unlimited writes and reads. It is
the highest performance, most reliable non-volatile
memory available.
STK12C68 (SMD5962-94599)
V
CCX
CONTROL
CONTROL
RECALL
STORE/
POWER
Document Control #ML0008 Rev 0.7
V
CAP
SOFTWARE
DETECT
February 2007
8Kx8 AutoStore nvSRAM
A
0
– A
G
E
W
12
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